A mixing box is an example of which kind of damper?
a) A manual damper
b) A modulating damper
c) A two-position damper
d) A relief damper
e) A louver
Answer: B
A mixing box is an example of which kind of damper?
a) A manual damper
b) A modulating damper
c) A two-position damper
d) A relief damper
e) A louver
Answer: B